Subject: Re: patch: Unix PS utf-8 patch
From: Martin Sevior (msevior@mccubbin.ph.unimelb.edu.au)
Date: Wed Feb 07 2001 - 23:21:25 CST
As far as I can tell this patch works perfectly. Are there are dissenting
voices before I commit it? CJK and Russian hackers are you happy with
this?
(I changed all the UT_Bool to bool etc.)
Cheers
Martin
On Tue, 6 Feb 2001, Tomas Frydrych wrote:
>
> The attached patch implements the necessary changes to allow
> printing with Unicode fonts, including ttf fonts. The following is a
> summary of what it does:
>
> * implements an XP class UT_AdobeEncoding that handles
> conversions from glyph names to ucs and vice versa.
>
> * removes all glyph name tables from the source files. Instead
> these tables are located in files with u2g extension residing
> the fonts directory, from where they are loaded when needed.
> These tables occupy significant resources
> (the complete Adobe glyph table occupies around 16K!) but are
> only used when creating the PS font class, which only
> happens when the PS output is generated; thus for 99% of the
> time these are not needed. Further, this system simplifies font
> handling and caters for fonts with non-standard glyph names
> (dingbats, symbols, MS ttf fonts ...), for which suitable u2g file
> can be created.
>
> * removes the UnixFont::getUniWidths() function, replacing it
> with getCharWidth( UT_UCSChar). The entire width lookup
> mechanism has been rewritten, since the existing one was
> unsuitable for 16-bit fonts. (Look up by indexing an array
> would require 128K lookup table!)
>
> * makes changes to drawCharsCJK allowing output of
> characters by glyph name.
>
> The tarball contains the patch, + files adobe-full.u2g, adobe-
> short.u2g, dingbats.u2g and symbol.u2g; these should be copied
> to the fonts peer directory, and installed with the fonts.
> dingbats.u2g and symbol.u2g need to be further symlinked to
> d050000l.u2g and s050000l.u2g respectively. The format of the
> u2g files is explained in u2g_format.txt which is also included.
>
> (I have further included files tahoma.afm and tahoma.u2g which can
> be used with the MS tahoma Unicode font, for those who wish to
> experiment with ttf fonts.)
>
> Tomas
>
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